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Finding the Fourth Proportional to 145,596.78, 218,447.72 and 50,840.93

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Solution

The fourth proportional to 145,596.78, 218,447.72 and 50,840.93 is: 76,279.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,596.78 : 218,447.72 = 50,840.93 : x
  2. Step 2: Convert to fraction form
    145,596.78/218,447.72 = 50,840.93/x
  3. Step 3: Cross multiply
    145,596.78x = 218,447.72 × 50,840.93
  4. Step 4: Simplify right side
    145,596.78x = 11,106,083,894.74
  5. Step 5: Solve for x
    x = 11,106,083,894.74/145,596.78
  6. Step 6: Final answer
    x = 76,279.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.